Reformat library/OAuth1
- Add type hints to Network\FKOAuthDataStore
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					 2 changed files with 873 additions and 782 deletions
				
			
		
							
								
								
									
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								library/OAuth1.php
									
										
									
									
									
								
							
							
						
						
									
										1605
									
								
								library/OAuth1.php
									
										
									
									
									
								
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			@ -3,65 +3,73 @@
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/* Generic exception class
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 */
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use Friendica\Network\FKOAuthDataStore;
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if (!class_exists('OAuthException', false)) {
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  class OAuthException extends Exception
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  { }
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	class OAuthException extends Exception
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	{
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	}
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}
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class OAuthConsumer
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{
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  public $key;
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  public $secret;
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	public $key;
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	public $secret;
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	public $callback_url;
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  function __construct($key, $secret, $callback_url = NULL)
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  {
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    $this->key = $key;
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    $this->secret = $secret;
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    $this->callback_url = $callback_url;
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  }
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	function __construct($key, $secret, $callback_url = NULL)
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	{
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		$this->key = $key;
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		$this->secret = $secret;
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		$this->callback_url = $callback_url;
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	}
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  function __toString()
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  {
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    return "OAuthConsumer[key=$this->key,secret=$this->secret]";
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  }
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	function __toString()
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	{
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		return "OAuthConsumer[key=$this->key,secret=$this->secret]";
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	}
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}
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class OAuthToken
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{
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  // access tokens and request tokens
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  public $key;
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  public $secret;
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	// access tokens and request tokens
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	public $key;
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	public $secret;
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  public $expires;
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  public $scope;
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  public $uid;
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	public $expires;
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	public $scope;
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	public $uid;
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  /**
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   * key = the token
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   * secret = the token secret
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   */
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  function __construct($key, $secret)
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  {
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    $this->key = $key;
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    $this->secret = $secret;
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  }
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	/**
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	 * key = the token
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	 * secret = the token secret
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	 *
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	 * @param $key
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	 * @param $secret
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	 */
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	function __construct($key, $secret)
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	{
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		$this->key = $key;
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		$this->secret = $secret;
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	}
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  /**
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   * generates the basic string serialization of a token that a server
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   * would respond to request_token and access_token calls with
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   */
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  function to_string()
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  {
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    return "oauth_token=" .
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      OAuthUtil::urlencode_rfc3986($this->key) .
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      "&oauth_token_secret=" .
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      OAuthUtil::urlencode_rfc3986($this->secret);
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  }
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	/**
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	 * generates the basic string serialization of a token that a server
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	 * would respond to request_token and access_token calls with
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	 */
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	function to_string()
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	{
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		return "oauth_token=" .
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			OAuthUtil::urlencode_rfc3986($this->key) .
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			"&oauth_token_secret=" .
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			OAuthUtil::urlencode_rfc3986($this->secret);
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	}
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  function __toString()
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  {
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    return $this->to_string();
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  }
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	function __toString()
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	{
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		return $this->to_string();
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	}
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}
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/**
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			@ -70,37 +78,40 @@ class OAuthToken
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 */
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abstract class OAuthSignatureMethod
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{
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  /**
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   * Needs to return the name of the Signature Method (ie HMAC-SHA1)
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   * @return string
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   */
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  abstract public function get_name();
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	/**
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	 * Needs to return the name of the Signature Method (ie HMAC-SHA1)
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	 *
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	 * @return string
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	 */
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	abstract public function get_name();
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  /**
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   * Build up the signature
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   * NOTE: The output of this function MUST NOT be urlencoded.
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   * the encoding is handled in OAuthRequest when the final
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   * request is serialized
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   * @param OAuthRequest $request
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   * @param OAuthConsumer $consumer
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   * @param OAuthToken $token
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   * @return string
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   */
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  abstract public function build_signature($request, $consumer, $token);
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	/**
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	 * Build up the signature
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	 * NOTE: The output of this function MUST NOT be urlencoded.
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	 * the encoding is handled in OAuthRequest when the final
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	 * request is serialized
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	 *
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	 * @param OAuthRequest  $request
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	 * @param OAuthConsumer $consumer
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	 * @param OAuthToken    $token
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	 * @return string
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	 */
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	abstract public function build_signature(OAuthRequest $request, OAuthConsumer $consumer, OAuthToken $token);
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  /**
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   * Verifies that a given signature is correct
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   * @param OAuthRequest $request
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   * @param OAuthConsumer $consumer
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   * @param OAuthToken $token
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   * @param string $signature
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   * @return bool
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   */
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  public function check_signature($request, $consumer, $token, $signature)
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  {
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    $built = $this->build_signature($request, $consumer, $token);
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    return ($built == $signature);
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  }
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	/**
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	 * Verifies that a given signature is correct
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	 *
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	 * @param OAuthRequest  $request
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	 * @param OAuthConsumer $consumer
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	 * @param OAuthToken    $token
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	 * @param string        $signature
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	 * @return bool
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	 */
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	public function check_signature($request, $consumer, $token, $signature)
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	{
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		$built = $this->build_signature($request, $consumer, $token);
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		return ($built == $signature);
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	}
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}
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/**
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			@ -112,28 +123,34 @@ abstract class OAuthSignatureMethod
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 */
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class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod
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{
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  function get_name()
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  {
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    return "HMAC-SHA1";
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  }
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	function get_name()
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	{
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		return "HMAC-SHA1";
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	}
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  public function build_signature($request, $consumer, $token)
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  {
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    $base_string = $request->get_signature_base_string();
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    $request->base_string = $base_string;
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	/**
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	 * @param OAuthRequest  $request
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	 * @param OAuthConsumer $consumer
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	 * @param OAuthToken    $token
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	 * @return string
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	 */
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	public function build_signature(OAuthRequest $request, OAuthConsumer $consumer, OAuthToken $token)
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	{
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		$base_string = $request->get_signature_base_string();
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		$request->base_string = $base_string;
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    $key_parts = array(
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      $consumer->secret,
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      ($token) ? $token->secret : ""
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    );
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		$key_parts = array(
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			$consumer->secret,
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			($token) ? $token->secret : ""
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		);
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    $key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
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    $key = implode('&', $key_parts);
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		$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
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		$key = implode('&', $key_parts);
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    $r = base64_encode(hash_hmac('sha1', $base_string, $key, true));
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    return $r;
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  }
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		$r = base64_encode(hash_hmac('sha1', $base_string, $key, true));
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		return $r;
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	}
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}
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/**
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			@ -143,33 +160,38 @@ class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod
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 */
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class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod
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{
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  public function get_name()
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  {
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    return "PLAINTEXT";
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  }
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	public function get_name()
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	{
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		return "PLAINTEXT";
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	}
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  /**
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   * oauth_signature is set to the concatenated encoded values of the Consumer Secret and
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   * Token Secret, separated by a '&' character (ASCII code 38), even if either secret is
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   * empty. The result MUST be encoded again.
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   *   - Chapter 9.4.1 ("Generating Signatures")
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   *
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   * Please note that the second encoding MUST NOT happen in the SignatureMethod, as
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   * OAuthRequest handles this!
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   */
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  public function build_signature($request, $consumer, $token)
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  {
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    $key_parts = array(
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      $consumer->secret,
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      ($token) ? $token->secret : ""
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    );
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	/**
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	 * oauth_signature is set to the concatenated encoded values of the Consumer Secret and
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	 * Token Secret, separated by a '&' character (ASCII code 38), even if either secret is
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	 * empty. The result MUST be encoded again.
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	 *   - Chapter 9.4.1 ("Generating Signatures")
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	 *
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	 * Please note that the second encoding MUST NOT happen in the SignatureMethod, as
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	 * OAuthRequest handles this!
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	 *
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	 * @param $request
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	 * @param $consumer
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	 * @param $token
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	 * @return string
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	 */
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	public function build_signature(OAuthRequest $request, OAuthConsumer $consumer, OAuthToken $token)
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	{
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		$key_parts = array(
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			$consumer->secret,
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			($token) ? $token->secret : ""
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		);
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    $key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
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    $key = implode('&', $key_parts);
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    $request->base_string = $key;
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		$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
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		$key = implode('&', $key_parts);
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		$request->base_string = $key;
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    return $key;
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  }
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		return $key;
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	}
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}
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/**
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			@ -182,774 +204,841 @@ class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod
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 */
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abstract class OAuthSignatureMethod_RSA_SHA1 extends OAuthSignatureMethod
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{
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  public function get_name()
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  {
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    return "RSA-SHA1";
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  }
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	public function get_name()
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	{
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		return "RSA-SHA1";
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	}
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  // Up to the SP to implement this lookup of keys. Possible ideas are:
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  // (1) do a lookup in a table of trusted certs keyed off of consumer
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  // (2) fetch via http using a url provided by the requester
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  // (3) some sort of specific discovery code based on request
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  //
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  // Either way should return a string representation of the certificate
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  protected abstract function fetch_public_cert(&$request);
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	// Up to the SP to implement this lookup of keys. Possible ideas are:
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	// (1) do a lookup in a table of trusted certs keyed off of consumer
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	// (2) fetch via http using a url provided by the requester
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	// (3) some sort of specific discovery code based on request
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	//
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	// Either way should return a string representation of the certificate
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	protected abstract function fetch_public_cert(&$request);
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  // Up to the SP to implement this lookup of keys. Possible ideas are:
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  // (1) do a lookup in a table of trusted certs keyed off of consumer
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  //
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  // Either way should return a string representation of the certificate
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  protected abstract function fetch_private_cert(&$request);
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	// Up to the SP to implement this lookup of keys. Possible ideas are:
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	// (1) do a lookup in a table of trusted certs keyed off of consumer
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	//
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	// Either way should return a string representation of the certificate
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	protected abstract function fetch_private_cert(&$request);
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  public function build_signature($request, $consumer, $token)
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  {
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    $base_string = $request->get_signature_base_string();
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    $request->base_string = $base_string;
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	public function build_signature(OAuthRequest $request, OAuthConsumer $consumer, OAuthToken $token)
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	{
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		$base_string = $request->get_signature_base_string();
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		$request->base_string = $base_string;
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    // Fetch the private key cert based on the request
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    $cert = $this->fetch_private_cert($request);
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		// Fetch the private key cert based on the request
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		$cert = $this->fetch_private_cert($request);
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    // Pull the private key ID from the certificate
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    $privatekeyid = openssl_get_privatekey($cert);
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		// Pull the private key ID from the certificate
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		$privatekeyid = openssl_get_privatekey($cert);
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    // Sign using the key
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    $ok = openssl_sign($base_string, $signature, $privatekeyid);
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		// Sign using the key
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		openssl_sign($base_string, $signature, $privatekeyid);
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    // Release the key resource
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    openssl_free_key($privatekeyid);
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		// Release the key resource
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		openssl_free_key($privatekeyid);
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    return base64_encode($signature);
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  }
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		return base64_encode($signature);
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	}
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  public function check_signature($request, $consumer, $token, $signature)
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  {
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    $decoded_sig = base64_decode($signature);
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	public function check_signature($request, $consumer, $token, $signature)
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	{
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		$decoded_sig = base64_decode($signature);
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    $base_string = $request->get_signature_base_string();
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		$base_string = $request->get_signature_base_string();
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    // Fetch the public key cert based on the request
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    $cert = $this->fetch_public_cert($request);
 | 
			
		||||
		// Fetch the public key cert based on the request
 | 
			
		||||
		$cert = $this->fetch_public_cert($request);
 | 
			
		||||
 | 
			
		||||
    // Pull the public key ID from the certificate
 | 
			
		||||
    $publickeyid = openssl_get_publickey($cert);
 | 
			
		||||
		// Pull the public key ID from the certificate
 | 
			
		||||
		$publickeyid = openssl_get_publickey($cert);
 | 
			
		||||
 | 
			
		||||
    // Check the computed signature against the one passed in the query
 | 
			
		||||
    $ok = openssl_verify($base_string, $decoded_sig, $publickeyid);
 | 
			
		||||
		// Check the computed signature against the one passed in the query
 | 
			
		||||
		$ok = openssl_verify($base_string, $decoded_sig, $publickeyid);
 | 
			
		||||
 | 
			
		||||
    // Release the key resource
 | 
			
		||||
    openssl_free_key($publickeyid);
 | 
			
		||||
		// Release the key resource
 | 
			
		||||
		openssl_free_key($publickeyid);
 | 
			
		||||
 | 
			
		||||
    return $ok == 1;
 | 
			
		||||
  }
 | 
			
		||||
		return $ok == 1;
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
class OAuthRequest
 | 
			
		||||
{
 | 
			
		||||
  private $parameters;
 | 
			
		||||
  private $http_method;
 | 
			
		||||
  private $http_url;
 | 
			
		||||
  // for debug purposes
 | 
			
		||||
  public $base_string;
 | 
			
		||||
  public static $version = '1.0';
 | 
			
		||||
  public static $POST_INPUT = 'php://input';
 | 
			
		||||
	private $parameters;
 | 
			
		||||
	private $http_method;
 | 
			
		||||
	private $http_url;
 | 
			
		||||
	// for debug purposes
 | 
			
		||||
	public $base_string;
 | 
			
		||||
	public static $version = '1.0';
 | 
			
		||||
	public static $POST_INPUT = 'php://input';
 | 
			
		||||
 | 
			
		||||
  function __construct($http_method, $http_url, $parameters = NULL)
 | 
			
		||||
  {
 | 
			
		||||
    @$parameters or $parameters = array();
 | 
			
		||||
    $parameters = array_merge(OAuthUtil::parse_parameters(parse_url($http_url, PHP_URL_QUERY)), $parameters);
 | 
			
		||||
    $this->parameters = $parameters;
 | 
			
		||||
    $this->http_method = $http_method;
 | 
			
		||||
    $this->http_url = $http_url;
 | 
			
		||||
  }
 | 
			
		||||
	function __construct($http_method, $http_url, $parameters = NULL)
 | 
			
		||||
	{
 | 
			
		||||
		@$parameters or $parameters = array();
 | 
			
		||||
		$parameters = array_merge(OAuthUtil::parse_parameters(parse_url($http_url, PHP_URL_QUERY)), $parameters);
 | 
			
		||||
		$this->parameters = $parameters;
 | 
			
		||||
		$this->http_method = $http_method;
 | 
			
		||||
		$this->http_url = $http_url;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * attempt to build up a request from what was passed to the server
 | 
			
		||||
   */
 | 
			
		||||
  public static function from_request($http_method = NULL, $http_url = NULL, $parameters = NULL)
 | 
			
		||||
  {
 | 
			
		||||
    $scheme = (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on")
 | 
			
		||||
      ? 'http'
 | 
			
		||||
      : 'https';
 | 
			
		||||
    @$http_url or $http_url = $scheme .
 | 
			
		||||
      '://' . $_SERVER['HTTP_HOST'] .
 | 
			
		||||
      ':' .
 | 
			
		||||
      $_SERVER['SERVER_PORT'] .
 | 
			
		||||
      $_SERVER['REQUEST_URI'];
 | 
			
		||||
    @$http_method or $http_method = $_SERVER['REQUEST_METHOD'];
 | 
			
		||||
	/**
 | 
			
		||||
	 * attempt to build up a request from what was passed to the server
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param string|null $http_method
 | 
			
		||||
	 * @param string|null $http_url
 | 
			
		||||
	 * @param string|null $parameters
 | 
			
		||||
	 * @return OAuthRequest
 | 
			
		||||
	 */
 | 
			
		||||
	public static function from_request($http_method = NULL, $http_url = NULL, $parameters = NULL)
 | 
			
		||||
	{
 | 
			
		||||
		$scheme = (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on")
 | 
			
		||||
			? 'http'
 | 
			
		||||
			: 'https';
 | 
			
		||||
		@$http_url or $http_url = $scheme .
 | 
			
		||||
			'://' . $_SERVER['HTTP_HOST'] .
 | 
			
		||||
			':' .
 | 
			
		||||
			$_SERVER['SERVER_PORT'] .
 | 
			
		||||
			$_SERVER['REQUEST_URI'];
 | 
			
		||||
		@$http_method or $http_method = $_SERVER['REQUEST_METHOD'];
 | 
			
		||||
 | 
			
		||||
    // We weren't handed any parameters, so let's find the ones relevant to
 | 
			
		||||
    // this request.
 | 
			
		||||
    // If you run XML-RPC or similar you should use this to provide your own
 | 
			
		||||
    // parsed parameter-list
 | 
			
		||||
    if (!$parameters) {
 | 
			
		||||
      // Find request headers
 | 
			
		||||
      $request_headers = OAuthUtil::get_headers();
 | 
			
		||||
		// We weren't handed any parameters, so let's find the ones relevant to
 | 
			
		||||
		// this request.
 | 
			
		||||
		// If you run XML-RPC or similar you should use this to provide your own
 | 
			
		||||
		// parsed parameter-list
 | 
			
		||||
		if (!$parameters) {
 | 
			
		||||
			// Find request headers
 | 
			
		||||
			$request_headers = OAuthUtil::get_headers();
 | 
			
		||||
 | 
			
		||||
      // Parse the query-string to find GET parameters
 | 
			
		||||
      $parameters = OAuthUtil::parse_parameters($_SERVER['QUERY_STRING']);
 | 
			
		||||
			// Parse the query-string to find GET parameters
 | 
			
		||||
			$parameters = OAuthUtil::parse_parameters($_SERVER['QUERY_STRING']);
 | 
			
		||||
 | 
			
		||||
      // It's a POST request of the proper content-type, so parse POST
 | 
			
		||||
      // parameters and add those overriding any duplicates from GET
 | 
			
		||||
      if (
 | 
			
		||||
        $http_method == "POST"
 | 
			
		||||
        && @strstr(
 | 
			
		||||
          $request_headers["Content-Type"],
 | 
			
		||||
          "application/x-www-form-urlencoded"
 | 
			
		||||
        )
 | 
			
		||||
      ) {
 | 
			
		||||
        $post_data = OAuthUtil::parse_parameters(
 | 
			
		||||
          file_get_contents(self::$POST_INPUT)
 | 
			
		||||
        );
 | 
			
		||||
        $parameters = array_merge($parameters, $post_data);
 | 
			
		||||
      }
 | 
			
		||||
			// It's a POST request of the proper content-type, so parse POST
 | 
			
		||||
			// parameters and add those overriding any duplicates from GET
 | 
			
		||||
			if (
 | 
			
		||||
				$http_method == "POST"
 | 
			
		||||
				&& @strstr(
 | 
			
		||||
					$request_headers["Content-Type"],
 | 
			
		||||
					"application/x-www-form-urlencoded"
 | 
			
		||||
				)
 | 
			
		||||
			) {
 | 
			
		||||
				$post_data = OAuthUtil::parse_parameters(
 | 
			
		||||
					file_get_contents(self::$POST_INPUT)
 | 
			
		||||
				);
 | 
			
		||||
				$parameters = array_merge($parameters, $post_data);
 | 
			
		||||
			}
 | 
			
		||||
 | 
			
		||||
      // We have a Authorization-header with OAuth data. Parse the header
 | 
			
		||||
      // and add those overriding any duplicates from GET or POST
 | 
			
		||||
      if (@substr($request_headers['Authorization'], 0, 6) == "OAuth ") {
 | 
			
		||||
        $header_parameters = OAuthUtil::split_header(
 | 
			
		||||
          $request_headers['Authorization']
 | 
			
		||||
        );
 | 
			
		||||
        $parameters = array_merge($parameters, $header_parameters);
 | 
			
		||||
      }
 | 
			
		||||
    }
 | 
			
		||||
    // fix for friendica redirect system
 | 
			
		||||
			// We have a Authorization-header with OAuth data. Parse the header
 | 
			
		||||
			// and add those overriding any duplicates from GET or POST
 | 
			
		||||
			if (@substr($request_headers['Authorization'], 0, 6) == "OAuth ") {
 | 
			
		||||
				$header_parameters = OAuthUtil::split_header(
 | 
			
		||||
					$request_headers['Authorization']
 | 
			
		||||
				);
 | 
			
		||||
				$parameters = array_merge($parameters, $header_parameters);
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
		// fix for friendica redirect system
 | 
			
		||||
 | 
			
		||||
    $http_url =  substr($http_url, 0, strpos($http_url, $parameters['pagename']) + strlen($parameters['pagename']));
 | 
			
		||||
    unset($parameters['pagename']);
 | 
			
		||||
		$http_url = substr($http_url, 0, strpos($http_url, $parameters['pagename']) + strlen($parameters['pagename']));
 | 
			
		||||
		unset($parameters['pagename']);
 | 
			
		||||
 | 
			
		||||
    return new OAuthRequest($http_method, $http_url, $parameters);
 | 
			
		||||
  }
 | 
			
		||||
		return new OAuthRequest($http_method, $http_url, $parameters);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * pretty much a helper function to set up the request
 | 
			
		||||
   */
 | 
			
		||||
  public static function from_consumer_and_token($consumer, $token, $http_method, $http_url, $parameters = NULL)
 | 
			
		||||
  {
 | 
			
		||||
    @$parameters or $parameters = array();
 | 
			
		||||
    $defaults = array(
 | 
			
		||||
      "oauth_version" => OAuthRequest::$version,
 | 
			
		||||
      "oauth_nonce" => OAuthRequest::generate_nonce(),
 | 
			
		||||
      "oauth_timestamp" => OAuthRequest::generate_timestamp(),
 | 
			
		||||
      "oauth_consumer_key" => $consumer->key
 | 
			
		||||
    );
 | 
			
		||||
    if ($token)
 | 
			
		||||
      $defaults['oauth_token'] = $token->key;
 | 
			
		||||
	/**
 | 
			
		||||
	 * pretty much a helper function to set up the request
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthConsumer $consumer
 | 
			
		||||
	 * @param OAuthToken    $token
 | 
			
		||||
	 * @param string        $http_method
 | 
			
		||||
	 * @param string        $http_url
 | 
			
		||||
	 * @param array|null    $parameters
 | 
			
		||||
	 * @return OAuthRequest
 | 
			
		||||
	 */
 | 
			
		||||
	public static function from_consumer_and_token(OAuthConsumer $consumer, OAuthToken $token, $http_method, $http_url, array $parameters = NULL)
 | 
			
		||||
	{
 | 
			
		||||
		@$parameters or $parameters = array();
 | 
			
		||||
		$defaults = array(
 | 
			
		||||
			"oauth_version" => OAuthRequest::$version,
 | 
			
		||||
			"oauth_nonce" => OAuthRequest::generate_nonce(),
 | 
			
		||||
			"oauth_timestamp" => OAuthRequest::generate_timestamp(),
 | 
			
		||||
			"oauth_consumer_key" => $consumer->key
 | 
			
		||||
		);
 | 
			
		||||
		if ($token)
 | 
			
		||||
			$defaults['oauth_token'] = $token->key;
 | 
			
		||||
 | 
			
		||||
    $parameters = array_merge($defaults, $parameters);
 | 
			
		||||
		$parameters = array_merge($defaults, $parameters);
 | 
			
		||||
 | 
			
		||||
    return new OAuthRequest($http_method, $http_url, $parameters);
 | 
			
		||||
  }
 | 
			
		||||
		return new OAuthRequest($http_method, $http_url, $parameters);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  public function set_parameter($name, $value, $allow_duplicates = true)
 | 
			
		||||
  {
 | 
			
		||||
    if ($allow_duplicates && isset($this->parameters[$name])) {
 | 
			
		||||
      // We have already added parameter(s) with this name, so add to the list
 | 
			
		||||
      if (is_scalar($this->parameters[$name])) {
 | 
			
		||||
        // This is the first duplicate, so transform scalar (string)
 | 
			
		||||
        // into an array so we can add the duplicates
 | 
			
		||||
        $this->parameters[$name] = array($this->parameters[$name]);
 | 
			
		||||
      }
 | 
			
		||||
	public function set_parameter($name, $value, $allow_duplicates = true)
 | 
			
		||||
	{
 | 
			
		||||
		if ($allow_duplicates && isset($this->parameters[$name])) {
 | 
			
		||||
			// We have already added parameter(s) with this name, so add to the list
 | 
			
		||||
			if (is_scalar($this->parameters[$name])) {
 | 
			
		||||
				// This is the first duplicate, so transform scalar (string)
 | 
			
		||||
				// into an array so we can add the duplicates
 | 
			
		||||
				$this->parameters[$name] = array($this->parameters[$name]);
 | 
			
		||||
			}
 | 
			
		||||
 | 
			
		||||
      $this->parameters[$name][] = $value;
 | 
			
		||||
    } else {
 | 
			
		||||
      $this->parameters[$name] = $value;
 | 
			
		||||
    }
 | 
			
		||||
  }
 | 
			
		||||
			$this->parameters[$name][] = $value;
 | 
			
		||||
		} else {
 | 
			
		||||
			$this->parameters[$name] = $value;
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  public function get_parameter($name)
 | 
			
		||||
  {
 | 
			
		||||
    return isset($this->parameters[$name]) ? $this->parameters[$name] : null;
 | 
			
		||||
  }
 | 
			
		||||
	public function get_parameter($name)
 | 
			
		||||
	{
 | 
			
		||||
		return isset($this->parameters[$name]) ? $this->parameters[$name] : null;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  public function get_parameters()
 | 
			
		||||
  {
 | 
			
		||||
    return $this->parameters;
 | 
			
		||||
  }
 | 
			
		||||
	public function get_parameters()
 | 
			
		||||
	{
 | 
			
		||||
		return $this->parameters;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  public function unset_parameter($name)
 | 
			
		||||
  {
 | 
			
		||||
    unset($this->parameters[$name]);
 | 
			
		||||
  }
 | 
			
		||||
	public function unset_parameter($name)
 | 
			
		||||
	{
 | 
			
		||||
		unset($this->parameters[$name]);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * The request parameters, sorted and concatenated into a normalized string.
 | 
			
		||||
   * @return string
 | 
			
		||||
   */
 | 
			
		||||
  public function get_signable_parameters()
 | 
			
		||||
  {
 | 
			
		||||
    // Grab all parameters
 | 
			
		||||
    $params = $this->parameters;
 | 
			
		||||
	/**
 | 
			
		||||
	 * The request parameters, sorted and concatenated into a normalized string.
 | 
			
		||||
	 *
 | 
			
		||||
	 * @return string
 | 
			
		||||
	 */
 | 
			
		||||
	public function get_signable_parameters()
 | 
			
		||||
	{
 | 
			
		||||
		// Grab all parameters
 | 
			
		||||
		$params = $this->parameters;
 | 
			
		||||
 | 
			
		||||
    // Remove oauth_signature if present
 | 
			
		||||
    // Ref: Spec: 9.1.1 ("The oauth_signature parameter MUST be excluded.")
 | 
			
		||||
    if (isset($params['oauth_signature'])) {
 | 
			
		||||
      unset($params['oauth_signature']);
 | 
			
		||||
    }
 | 
			
		||||
		// Remove oauth_signature if present
 | 
			
		||||
		// Ref: Spec: 9.1.1 ("The oauth_signature parameter MUST be excluded.")
 | 
			
		||||
		if (isset($params['oauth_signature'])) {
 | 
			
		||||
			unset($params['oauth_signature']);
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
    return OAuthUtil::build_http_query($params);
 | 
			
		||||
  }
 | 
			
		||||
		return OAuthUtil::build_http_query($params);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * Returns the base string of this request
 | 
			
		||||
   *
 | 
			
		||||
   * The base string defined as the method, the url
 | 
			
		||||
   * and the parameters (normalized), each urlencoded
 | 
			
		||||
   * and the concated with &.
 | 
			
		||||
   */
 | 
			
		||||
  public function get_signature_base_string()
 | 
			
		||||
  {
 | 
			
		||||
    $parts = array(
 | 
			
		||||
      $this->get_normalized_http_method(),
 | 
			
		||||
      $this->get_normalized_http_url(),
 | 
			
		||||
      $this->get_signable_parameters()
 | 
			
		||||
    );
 | 
			
		||||
	/**
 | 
			
		||||
	 * Returns the base string of this request
 | 
			
		||||
	 *
 | 
			
		||||
	 * The base string defined as the method, the url
 | 
			
		||||
	 * and the parameters (normalized), each urlencoded
 | 
			
		||||
	 * and the concated with &.
 | 
			
		||||
	 */
 | 
			
		||||
	public function get_signature_base_string()
 | 
			
		||||
	{
 | 
			
		||||
		$parts = array(
 | 
			
		||||
			$this->get_normalized_http_method(),
 | 
			
		||||
			$this->get_normalized_http_url(),
 | 
			
		||||
			$this->get_signable_parameters()
 | 
			
		||||
		);
 | 
			
		||||
 | 
			
		||||
    $parts = OAuthUtil::urlencode_rfc3986($parts);
 | 
			
		||||
		$parts = OAuthUtil::urlencode_rfc3986($parts);
 | 
			
		||||
 | 
			
		||||
    return implode('&', $parts);
 | 
			
		||||
  }
 | 
			
		||||
		return implode('&', $parts);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * just uppercases the http method
 | 
			
		||||
   */
 | 
			
		||||
  public function get_normalized_http_method()
 | 
			
		||||
  {
 | 
			
		||||
    return strtoupper($this->http_method);
 | 
			
		||||
  }
 | 
			
		||||
	/**
 | 
			
		||||
	 * just uppercases the http method
 | 
			
		||||
	 */
 | 
			
		||||
	public function get_normalized_http_method()
 | 
			
		||||
	{
 | 
			
		||||
		return strtoupper($this->http_method);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * parses the url and rebuilds it to be
 | 
			
		||||
   * scheme://host/path
 | 
			
		||||
   */
 | 
			
		||||
  public function get_normalized_http_url()
 | 
			
		||||
  {
 | 
			
		||||
    $parts = parse_url($this->http_url);
 | 
			
		||||
	/**
 | 
			
		||||
	 * parses the url and rebuilds it to be
 | 
			
		||||
	 * scheme://host/path
 | 
			
		||||
	 */
 | 
			
		||||
	public function get_normalized_http_url()
 | 
			
		||||
	{
 | 
			
		||||
		$parts = parse_url($this->http_url);
 | 
			
		||||
 | 
			
		||||
    $port = @$parts['port'];
 | 
			
		||||
    $scheme = $parts['scheme'];
 | 
			
		||||
    $host = $parts['host'];
 | 
			
		||||
    $path = @$parts['path'];
 | 
			
		||||
		$port = @$parts['port'];
 | 
			
		||||
		$scheme = $parts['scheme'];
 | 
			
		||||
		$host = $parts['host'];
 | 
			
		||||
		$path = @$parts['path'];
 | 
			
		||||
 | 
			
		||||
    $port or $port = ($scheme == 'https') ? '443' : '80';
 | 
			
		||||
		$port or $port = ($scheme == 'https') ? '443' : '80';
 | 
			
		||||
 | 
			
		||||
    if (($scheme == 'https' && $port != '443')
 | 
			
		||||
      || ($scheme == 'http' && $port != '80')
 | 
			
		||||
    ) {
 | 
			
		||||
      $host = "$host:$port";
 | 
			
		||||
    }
 | 
			
		||||
    return "$scheme://$host$path";
 | 
			
		||||
  }
 | 
			
		||||
		if (($scheme == 'https' && $port != '443')
 | 
			
		||||
			|| ($scheme == 'http' && $port != '80')
 | 
			
		||||
		) {
 | 
			
		||||
			$host = "$host:$port";
 | 
			
		||||
		}
 | 
			
		||||
		return "$scheme://$host$path";
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * builds a url usable for a GET request
 | 
			
		||||
   */
 | 
			
		||||
  public function to_url()
 | 
			
		||||
  {
 | 
			
		||||
    $post_data = $this->to_postdata();
 | 
			
		||||
    $out = $this->get_normalized_http_url();
 | 
			
		||||
    if ($post_data) {
 | 
			
		||||
      $out .= '?' . $post_data;
 | 
			
		||||
    }
 | 
			
		||||
    return $out;
 | 
			
		||||
  }
 | 
			
		||||
	/**
 | 
			
		||||
	 * builds a url usable for a GET request
 | 
			
		||||
	 */
 | 
			
		||||
	public function to_url()
 | 
			
		||||
	{
 | 
			
		||||
		$post_data = $this->to_postdata();
 | 
			
		||||
		$out = $this->get_normalized_http_url();
 | 
			
		||||
		if ($post_data) {
 | 
			
		||||
			$out .= '?' . $post_data;
 | 
			
		||||
		}
 | 
			
		||||
		return $out;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * builds the data one would send in a POST request
 | 
			
		||||
   */
 | 
			
		||||
  public function to_postdata($raw = false)
 | 
			
		||||
  {
 | 
			
		||||
    if ($raw)
 | 
			
		||||
      return $this->parameters;
 | 
			
		||||
    else
 | 
			
		||||
      return OAuthUtil::build_http_query($this->parameters);
 | 
			
		||||
  }
 | 
			
		||||
	/**
 | 
			
		||||
	 * builds the data one would send in a POST request
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param bool $raw
 | 
			
		||||
	 * @return array|string
 | 
			
		||||
	 */
 | 
			
		||||
	public function to_postdata(bool $raw = false)
 | 
			
		||||
	{
 | 
			
		||||
		if ($raw)
 | 
			
		||||
			return $this->parameters;
 | 
			
		||||
		else
 | 
			
		||||
			return OAuthUtil::build_http_query($this->parameters);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * builds the Authorization: header
 | 
			
		||||
   */
 | 
			
		||||
  public function to_header($realm = null)
 | 
			
		||||
  {
 | 
			
		||||
    $first = true;
 | 
			
		||||
    if ($realm) {
 | 
			
		||||
      $out = 'Authorization: OAuth realm="' . OAuthUtil::urlencode_rfc3986($realm) . '"';
 | 
			
		||||
      $first = false;
 | 
			
		||||
    } else
 | 
			
		||||
      $out = 'Authorization: OAuth';
 | 
			
		||||
	/**
 | 
			
		||||
	 * builds the Authorization: header
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param string|null $realm
 | 
			
		||||
	 * @return string
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	public function to_header($realm = null)
 | 
			
		||||
	{
 | 
			
		||||
		$first = true;
 | 
			
		||||
		if ($realm) {
 | 
			
		||||
			$out = 'Authorization: OAuth realm="' . OAuthUtil::urlencode_rfc3986($realm) . '"';
 | 
			
		||||
			$first = false;
 | 
			
		||||
		} else
 | 
			
		||||
			$out = 'Authorization: OAuth';
 | 
			
		||||
 | 
			
		||||
    foreach ($this->parameters as $k => $v) {
 | 
			
		||||
      if (substr($k, 0, 5) != "oauth") continue;
 | 
			
		||||
      if (is_array($v)) {
 | 
			
		||||
        throw new OAuthException('Arrays not supported in headers');
 | 
			
		||||
      }
 | 
			
		||||
      $out .= ($first) ? ' ' : ',';
 | 
			
		||||
      $out .= OAuthUtil::urlencode_rfc3986($k) .
 | 
			
		||||
        '="' .
 | 
			
		||||
        OAuthUtil::urlencode_rfc3986($v) .
 | 
			
		||||
        '"';
 | 
			
		||||
      $first = false;
 | 
			
		||||
    }
 | 
			
		||||
    return $out;
 | 
			
		||||
  }
 | 
			
		||||
		foreach ($this->parameters as $k => $v) {
 | 
			
		||||
			if (substr($k, 0, 5) != "oauth") continue;
 | 
			
		||||
			if (is_array($v)) {
 | 
			
		||||
				throw new OAuthException('Arrays not supported in headers');
 | 
			
		||||
			}
 | 
			
		||||
			$out .= ($first) ? ' ' : ',';
 | 
			
		||||
			$out .= OAuthUtil::urlencode_rfc3986($k) .
 | 
			
		||||
				'="' .
 | 
			
		||||
				OAuthUtil::urlencode_rfc3986($v) .
 | 
			
		||||
				'"';
 | 
			
		||||
			$first = false;
 | 
			
		||||
		}
 | 
			
		||||
		return $out;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  public function __toString()
 | 
			
		||||
  {
 | 
			
		||||
    return $this->to_url();
 | 
			
		||||
  }
 | 
			
		||||
	public function __toString()
 | 
			
		||||
	{
 | 
			
		||||
		return $this->to_url();
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
  public function sign_request($signature_method, $consumer, $token)
 | 
			
		||||
  {
 | 
			
		||||
    $this->set_parameter(
 | 
			
		||||
      "oauth_signature_method",
 | 
			
		||||
      $signature_method->get_name(),
 | 
			
		||||
      false
 | 
			
		||||
    );
 | 
			
		||||
    $signature = $this->build_signature($signature_method, $consumer, $token);
 | 
			
		||||
    $this->set_parameter("oauth_signature", $signature, false);
 | 
			
		||||
  }
 | 
			
		||||
	public function sign_request(OAuthSignatureMethod $signature_method, $consumer, $token)
 | 
			
		||||
	{
 | 
			
		||||
		$this->set_parameter(
 | 
			
		||||
			"oauth_signature_method",
 | 
			
		||||
			$signature_method->get_name(),
 | 
			
		||||
			false
 | 
			
		||||
		);
 | 
			
		||||
		$signature = $this->build_signature($signature_method, $consumer, $token);
 | 
			
		||||
		$this->set_parameter("oauth_signature", $signature, false);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  public function build_signature($signature_method, $consumer, $token)
 | 
			
		||||
  {
 | 
			
		||||
    $signature = $signature_method->build_signature($this, $consumer, $token);
 | 
			
		||||
    return $signature;
 | 
			
		||||
  }
 | 
			
		||||
	public function build_signature(OAuthSignatureMethod $signature_method, $consumer, $token)
 | 
			
		||||
	{
 | 
			
		||||
		$signature = $signature_method->build_signature($this, $consumer, $token);
 | 
			
		||||
		return $signature;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * util function: current timestamp
 | 
			
		||||
   */
 | 
			
		||||
  private static function generate_timestamp()
 | 
			
		||||
  {
 | 
			
		||||
    return time();
 | 
			
		||||
  }
 | 
			
		||||
	/**
 | 
			
		||||
	 * util function: current timestamp
 | 
			
		||||
	 */
 | 
			
		||||
	private static function generate_timestamp()
 | 
			
		||||
	{
 | 
			
		||||
		return time();
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * util function: current nonce
 | 
			
		||||
   */
 | 
			
		||||
  private static function generate_nonce()
 | 
			
		||||
  {
 | 
			
		||||
    return Friendica\Util\Strings::getRandomHex(32);
 | 
			
		||||
  }
 | 
			
		||||
	/**
 | 
			
		||||
	 * util function: current nonce
 | 
			
		||||
	 */
 | 
			
		||||
	private static function generate_nonce()
 | 
			
		||||
	{
 | 
			
		||||
		return Friendica\Util\Strings::getRandomHex(32);
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
class OAuthServer
 | 
			
		||||
{
 | 
			
		||||
  protected $timestamp_threshold = 300; // in seconds, five minutes
 | 
			
		||||
  protected $version = '1.0';             // hi blaine
 | 
			
		||||
  protected $signature_methods = array();
 | 
			
		||||
	protected $timestamp_threshold = 300; // in seconds, five minutes
 | 
			
		||||
	protected $version = '1.0';             // hi blaine
 | 
			
		||||
	/** @var OAuthSignatureMethod[] */
 | 
			
		||||
	protected $signature_methods = array();
 | 
			
		||||
 | 
			
		||||
  protected $data_store;
 | 
			
		||||
	/** @var FKOAuthDataStore */
 | 
			
		||||
	protected $data_store;
 | 
			
		||||
 | 
			
		||||
  function __construct($data_store)
 | 
			
		||||
  {
 | 
			
		||||
    $this->data_store = $data_store;
 | 
			
		||||
  }
 | 
			
		||||
	function __construct(FKOAuthDataStore $data_store)
 | 
			
		||||
	{
 | 
			
		||||
		$this->data_store = $data_store;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  public function add_signature_method($signature_method)
 | 
			
		||||
  {
 | 
			
		||||
    $this->signature_methods[$signature_method->get_name()] =
 | 
			
		||||
      $signature_method;
 | 
			
		||||
  }
 | 
			
		||||
	public function add_signature_method(OAuthSignatureMethod $signature_method)
 | 
			
		||||
	{
 | 
			
		||||
		$this->signature_methods[$signature_method->get_name()] =
 | 
			
		||||
			$signature_method;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  // high level functions
 | 
			
		||||
	// high level functions
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * process a request_token request
 | 
			
		||||
   * returns the request token on success
 | 
			
		||||
   */
 | 
			
		||||
  public function fetch_request_token(&$request)
 | 
			
		||||
  {
 | 
			
		||||
    $this->get_version($request);
 | 
			
		||||
	/**
 | 
			
		||||
	 * process a request_token request
 | 
			
		||||
	 * returns the request token on success
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthRequest $request
 | 
			
		||||
	 * @return OAuthToken|null
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	public function fetch_request_token(OAuthRequest $request)
 | 
			
		||||
	{
 | 
			
		||||
		$this->get_version($request);
 | 
			
		||||
 | 
			
		||||
    $consumer = $this->get_consumer($request);
 | 
			
		||||
		$consumer = $this->get_consumer($request);
 | 
			
		||||
 | 
			
		||||
    // no token required for the initial token request
 | 
			
		||||
    $token = NULL;
 | 
			
		||||
		// no token required for the initial token request
 | 
			
		||||
		$token = NULL;
 | 
			
		||||
 | 
			
		||||
    $this->check_signature($request, $consumer, $token);
 | 
			
		||||
		$this->check_signature($request, $consumer, $token);
 | 
			
		||||
 | 
			
		||||
    // Rev A change
 | 
			
		||||
    $callback = $request->get_parameter('oauth_callback');
 | 
			
		||||
    $new_token = $this->data_store->new_request_token($consumer, $callback);
 | 
			
		||||
		// Rev A change
 | 
			
		||||
		$callback = $request->get_parameter('oauth_callback');
 | 
			
		||||
		$new_token = $this->data_store->new_request_token($consumer, $callback);
 | 
			
		||||
 | 
			
		||||
    return $new_token;
 | 
			
		||||
  }
 | 
			
		||||
		return $new_token;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * process an access_token request
 | 
			
		||||
   * returns the access token on success
 | 
			
		||||
   */
 | 
			
		||||
  public function fetch_access_token(&$request)
 | 
			
		||||
  {
 | 
			
		||||
    $this->get_version($request);
 | 
			
		||||
	/**
 | 
			
		||||
	 * process an access_token request
 | 
			
		||||
	 * returns the access token on success
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthRequest $request
 | 
			
		||||
	 * @return object
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	public function fetch_access_token(OAuthRequest $request)
 | 
			
		||||
	{
 | 
			
		||||
		$this->get_version($request);
 | 
			
		||||
 | 
			
		||||
    $consumer = $this->get_consumer($request);
 | 
			
		||||
		$consumer = $this->get_consumer($request);
 | 
			
		||||
 | 
			
		||||
    // requires authorized request token
 | 
			
		||||
    $token = $this->get_token($request, $consumer, "request");
 | 
			
		||||
		// requires authorized request token
 | 
			
		||||
		$token = $this->get_token($request, $consumer, "request");
 | 
			
		||||
 | 
			
		||||
    $this->check_signature($request, $consumer, $token);
 | 
			
		||||
		$this->check_signature($request, $consumer, $token);
 | 
			
		||||
 | 
			
		||||
    // Rev A change
 | 
			
		||||
    $verifier = $request->get_parameter('oauth_verifier');
 | 
			
		||||
    $new_token = $this->data_store->new_access_token($token, $consumer, $verifier);
 | 
			
		||||
		// Rev A change
 | 
			
		||||
		$verifier = $request->get_parameter('oauth_verifier');
 | 
			
		||||
		$new_token = $this->data_store->new_access_token($token, $consumer, $verifier);
 | 
			
		||||
 | 
			
		||||
    return $new_token;
 | 
			
		||||
  }
 | 
			
		||||
		return $new_token;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * verify an api call, checks all the parameters
 | 
			
		||||
   */
 | 
			
		||||
  public function verify_request(&$request)
 | 
			
		||||
  {
 | 
			
		||||
    $this->get_version($request);
 | 
			
		||||
    $consumer = $this->get_consumer($request);
 | 
			
		||||
    $token = $this->get_token($request, $consumer, "access");
 | 
			
		||||
    $this->check_signature($request, $consumer, $token);
 | 
			
		||||
    return [$consumer, $token];
 | 
			
		||||
  }
 | 
			
		||||
	/**
 | 
			
		||||
	 * verify an api call, checks all the parameters
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthRequest $request
 | 
			
		||||
	 * @return array
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	public function verify_request(OAuthRequest $request)
 | 
			
		||||
	{
 | 
			
		||||
		$this->get_version($request);
 | 
			
		||||
		$consumer = $this->get_consumer($request);
 | 
			
		||||
		$token = $this->get_token($request, $consumer, "access");
 | 
			
		||||
		$this->check_signature($request, $consumer, $token);
 | 
			
		||||
		return [$consumer, $token];
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  // Internals from here
 | 
			
		||||
  /**
 | 
			
		||||
   * version 1
 | 
			
		||||
   */
 | 
			
		||||
  private function get_version(&$request)
 | 
			
		||||
  {
 | 
			
		||||
    $version = $request->get_parameter("oauth_version");
 | 
			
		||||
    if (!$version) {
 | 
			
		||||
      // Service Providers MUST assume the protocol version to be 1.0 if this parameter is not present.
 | 
			
		||||
      // Chapter 7.0 ("Accessing Protected Ressources")
 | 
			
		||||
      $version = '1.0';
 | 
			
		||||
    }
 | 
			
		||||
    if ($version !== $this->version) {
 | 
			
		||||
      throw new OAuthException("OAuth version '$version' not supported");
 | 
			
		||||
    }
 | 
			
		||||
    return $version;
 | 
			
		||||
  }
 | 
			
		||||
	// Internals from here
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * figure out the signature with some defaults
 | 
			
		||||
   */
 | 
			
		||||
  private function get_signature_method(&$request)
 | 
			
		||||
  {
 | 
			
		||||
    $signature_method =
 | 
			
		||||
      @$request->get_parameter("oauth_signature_method");
 | 
			
		||||
	/**
 | 
			
		||||
	 * version 1
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthRequest $request
 | 
			
		||||
	 * @return string
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	private function get_version(OAuthRequest $request)
 | 
			
		||||
	{
 | 
			
		||||
		$version = $request->get_parameter("oauth_version");
 | 
			
		||||
		if (!$version) {
 | 
			
		||||
			// Service Providers MUST assume the protocol version to be 1.0 if this parameter is not present.
 | 
			
		||||
			// Chapter 7.0 ("Accessing Protected Ressources")
 | 
			
		||||
			$version = '1.0';
 | 
			
		||||
		}
 | 
			
		||||
		if ($version !== $this->version) {
 | 
			
		||||
			throw new OAuthException("OAuth version '$version' not supported");
 | 
			
		||||
		}
 | 
			
		||||
		return $version;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
    if (!$signature_method) {
 | 
			
		||||
      // According to chapter 7 ("Accessing Protected Ressources") the signature-method
 | 
			
		||||
      // parameter is required, and we can't just fallback to PLAINTEXT
 | 
			
		||||
      throw new OAuthException('No signature method parameter. This parameter is required');
 | 
			
		||||
    }
 | 
			
		||||
	/**
 | 
			
		||||
	 * figure out the signature with some defaults
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthRequest $request
 | 
			
		||||
	 * @return OAuthSignatureMethod
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	private function get_signature_method(OAuthRequest $request)
 | 
			
		||||
	{
 | 
			
		||||
		$signature_method =
 | 
			
		||||
			@$request->get_parameter("oauth_signature_method");
 | 
			
		||||
 | 
			
		||||
    if (!in_array(
 | 
			
		||||
      $signature_method,
 | 
			
		||||
      array_keys($this->signature_methods)
 | 
			
		||||
    )) {
 | 
			
		||||
      throw new OAuthException(
 | 
			
		||||
        "Signature method '$signature_method' not supported " .
 | 
			
		||||
          "try one of the following: " .
 | 
			
		||||
          implode(", ", array_keys($this->signature_methods))
 | 
			
		||||
      );
 | 
			
		||||
    }
 | 
			
		||||
    return $this->signature_methods[$signature_method];
 | 
			
		||||
  }
 | 
			
		||||
		if (!$signature_method) {
 | 
			
		||||
			// According to chapter 7 ("Accessing Protected Ressources") the signature-method
 | 
			
		||||
			// parameter is required, and we can't just fallback to PLAINTEXT
 | 
			
		||||
			throw new OAuthException('No signature method parameter. This parameter is required');
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * try to find the consumer for the provided request's consumer key
 | 
			
		||||
   */
 | 
			
		||||
  private function get_consumer(&$request)
 | 
			
		||||
  {
 | 
			
		||||
    $consumer_key = @$request->get_parameter("oauth_consumer_key");
 | 
			
		||||
    if (!$consumer_key) {
 | 
			
		||||
      throw new OAuthException("Invalid consumer key");
 | 
			
		||||
    }
 | 
			
		||||
		if (!in_array(
 | 
			
		||||
			$signature_method,
 | 
			
		||||
			array_keys($this->signature_methods)
 | 
			
		||||
		)) {
 | 
			
		||||
			throw new OAuthException(
 | 
			
		||||
				"Signature method '$signature_method' not supported " .
 | 
			
		||||
				"try one of the following: " .
 | 
			
		||||
				implode(", ", array_keys($this->signature_methods))
 | 
			
		||||
			);
 | 
			
		||||
		}
 | 
			
		||||
		return $this->signature_methods[$signature_method];
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
    $consumer = $this->data_store->lookup_consumer($consumer_key);
 | 
			
		||||
    if (!$consumer) {
 | 
			
		||||
      throw new OAuthException("Invalid consumer");
 | 
			
		||||
    }
 | 
			
		||||
	/**
 | 
			
		||||
	 * try to find the consumer for the provided request's consumer key
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthRequest $request
 | 
			
		||||
	 * @return OAuthConsumer
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	private function get_consumer(OAuthRequest $request)
 | 
			
		||||
	{
 | 
			
		||||
		$consumer_key = @$request->get_parameter("oauth_consumer_key");
 | 
			
		||||
		if (!$consumer_key) {
 | 
			
		||||
			throw new OAuthException("Invalid consumer key");
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
    return $consumer;
 | 
			
		||||
  }
 | 
			
		||||
		$consumer = $this->data_store->lookup_consumer($consumer_key);
 | 
			
		||||
		if (!$consumer) {
 | 
			
		||||
			throw new OAuthException("Invalid consumer");
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * try to find the token for the provided request's token key
 | 
			
		||||
   */
 | 
			
		||||
  private function get_token(&$request, $consumer, $token_type = "access")
 | 
			
		||||
  {
 | 
			
		||||
    $token_field = @$request->get_parameter('oauth_token');
 | 
			
		||||
    $token = $this->data_store->lookup_token(
 | 
			
		||||
      $consumer,
 | 
			
		||||
      $token_type,
 | 
			
		||||
      $token_field
 | 
			
		||||
    );
 | 
			
		||||
    if (!$token) {
 | 
			
		||||
      throw new OAuthException("Invalid $token_type token: $token_field");
 | 
			
		||||
    }
 | 
			
		||||
    return $token;
 | 
			
		||||
  }
 | 
			
		||||
		return $consumer;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * all-in-one function to check the signature on a request
 | 
			
		||||
   * should guess the signature method appropriately
 | 
			
		||||
   */
 | 
			
		||||
  private function check_signature(&$request, $consumer, $token)
 | 
			
		||||
  {
 | 
			
		||||
    // this should probably be in a different method
 | 
			
		||||
    $timestamp = @$request->get_parameter('oauth_timestamp');
 | 
			
		||||
    $nonce = @$request->get_parameter('oauth_nonce');
 | 
			
		||||
	/**
 | 
			
		||||
	 * try to find the token for the provided request's token key
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthRequest $request
 | 
			
		||||
	 * @param              $consumer
 | 
			
		||||
	 * @param string       $token_type
 | 
			
		||||
	 * @return OAuthToken|null
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	private function get_token(OAuthRequest &$request, $consumer, $token_type = "access")
 | 
			
		||||
	{
 | 
			
		||||
		$token_field = @$request->get_parameter('oauth_token');
 | 
			
		||||
		$token = $this->data_store->lookup_token(
 | 
			
		||||
			$consumer,
 | 
			
		||||
			$token_type,
 | 
			
		||||
			$token_field
 | 
			
		||||
		);
 | 
			
		||||
		if (!$token) {
 | 
			
		||||
			throw new OAuthException("Invalid $token_type token: $token_field");
 | 
			
		||||
		}
 | 
			
		||||
		return $token;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
    $this->check_timestamp($timestamp);
 | 
			
		||||
    $this->check_nonce($consumer, $token, $nonce, $timestamp);
 | 
			
		||||
	/**
 | 
			
		||||
	 * all-in-one function to check the signature on a request
 | 
			
		||||
	 * should guess the signature method appropriately
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthRequest    $request
 | 
			
		||||
	 * @param OAuthConsumer   $consumer
 | 
			
		||||
	 * @param OAuthToken|null $token
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	private function check_signature(OAuthRequest $request, OAuthConsumer $consumer, OAuthToken $token = null)
 | 
			
		||||
	{
 | 
			
		||||
		// this should probably be in a different method
 | 
			
		||||
		$timestamp = @$request->get_parameter('oauth_timestamp');
 | 
			
		||||
		$nonce = @$request->get_parameter('oauth_nonce');
 | 
			
		||||
 | 
			
		||||
    $signature_method = $this->get_signature_method($request);
 | 
			
		||||
		$this->check_timestamp($timestamp);
 | 
			
		||||
		$this->check_nonce($consumer, $token, $nonce, $timestamp);
 | 
			
		||||
 | 
			
		||||
    $signature = $request->get_parameter('oauth_signature');
 | 
			
		||||
    $valid_sig = $signature_method->check_signature(
 | 
			
		||||
      $request,
 | 
			
		||||
      $consumer,
 | 
			
		||||
      $token,
 | 
			
		||||
      $signature
 | 
			
		||||
    );
 | 
			
		||||
		$signature_method = $this->get_signature_method($request);
 | 
			
		||||
 | 
			
		||||
		$signature = $request->get_parameter('oauth_signature');
 | 
			
		||||
		$valid_sig = $signature_method->check_signature(
 | 
			
		||||
			$request,
 | 
			
		||||
			$consumer,
 | 
			
		||||
			$token,
 | 
			
		||||
			$signature
 | 
			
		||||
		);
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
    if (!$valid_sig) {
 | 
			
		||||
      throw new OAuthException("Invalid signature");
 | 
			
		||||
    }
 | 
			
		||||
  }
 | 
			
		||||
		if (!$valid_sig) {
 | 
			
		||||
			throw new OAuthException("Invalid signature");
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * check that the timestamp is new enough
 | 
			
		||||
   */
 | 
			
		||||
  private function check_timestamp($timestamp)
 | 
			
		||||
  {
 | 
			
		||||
    if (!$timestamp)
 | 
			
		||||
      throw new OAuthException(
 | 
			
		||||
        'Missing timestamp parameter. The parameter is required'
 | 
			
		||||
      );
 | 
			
		||||
	/**
 | 
			
		||||
	 * check that the timestamp is new enough
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param int $timestamp
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	private function check_timestamp($timestamp)
 | 
			
		||||
	{
 | 
			
		||||
		if (!$timestamp)
 | 
			
		||||
			throw new OAuthException(
 | 
			
		||||
				'Missing timestamp parameter. The parameter is required'
 | 
			
		||||
			);
 | 
			
		||||
 | 
			
		||||
    // verify that timestamp is recentish
 | 
			
		||||
    $now = time();
 | 
			
		||||
    if (abs($now - $timestamp) > $this->timestamp_threshold) {
 | 
			
		||||
      throw new OAuthException(
 | 
			
		||||
        "Expired timestamp, yours $timestamp, ours $now"
 | 
			
		||||
      );
 | 
			
		||||
    }
 | 
			
		||||
  }
 | 
			
		||||
		// verify that timestamp is recentish
 | 
			
		||||
		$now = time();
 | 
			
		||||
		if (abs($now - $timestamp) > $this->timestamp_threshold) {
 | 
			
		||||
			throw new OAuthException(
 | 
			
		||||
				"Expired timestamp, yours $timestamp, ours $now"
 | 
			
		||||
			);
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  /**
 | 
			
		||||
   * check that the nonce is not repeated
 | 
			
		||||
   */
 | 
			
		||||
  private function check_nonce($consumer, $token, $nonce, $timestamp)
 | 
			
		||||
  {
 | 
			
		||||
    if (!$nonce)
 | 
			
		||||
      throw new OAuthException(
 | 
			
		||||
        'Missing nonce parameter. The parameter is required'
 | 
			
		||||
      );
 | 
			
		||||
	/**
 | 
			
		||||
	 * check that the nonce is not repeated
 | 
			
		||||
	 *
 | 
			
		||||
	 * @param OAuthConsumer $consumer
 | 
			
		||||
	 * @param OAuthToken    $token
 | 
			
		||||
	 * @param string        $nonce
 | 
			
		||||
	 * @param int           $timestamp
 | 
			
		||||
	 * @throws OAuthException
 | 
			
		||||
	 */
 | 
			
		||||
	private function check_nonce(OAuthConsumer $consumer, OAuthToken $token, $nonce, int $timestamp)
 | 
			
		||||
	{
 | 
			
		||||
		if (!$nonce)
 | 
			
		||||
			throw new OAuthException(
 | 
			
		||||
				'Missing nonce parameter. The parameter is required'
 | 
			
		||||
			);
 | 
			
		||||
 | 
			
		||||
    // verify that the nonce is uniqueish
 | 
			
		||||
    $found = $this->data_store->lookup_nonce(
 | 
			
		||||
      $consumer,
 | 
			
		||||
      $token,
 | 
			
		||||
      $nonce,
 | 
			
		||||
      $timestamp
 | 
			
		||||
    );
 | 
			
		||||
    if ($found) {
 | 
			
		||||
      throw new OAuthException("Nonce already used: $nonce");
 | 
			
		||||
    }
 | 
			
		||||
  }
 | 
			
		||||
		// verify that the nonce is uniqueish
 | 
			
		||||
		$found = $this->data_store->lookup_nonce(
 | 
			
		||||
			$consumer,
 | 
			
		||||
			$token,
 | 
			
		||||
			$nonce,
 | 
			
		||||
			$timestamp
 | 
			
		||||
		);
 | 
			
		||||
		if ($found) {
 | 
			
		||||
			throw new OAuthException("Nonce already used: $nonce");
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
class OAuthDataStore
 | 
			
		||||
{
 | 
			
		||||
  function lookup_consumer($consumer_key)
 | 
			
		||||
  {
 | 
			
		||||
    // implement me
 | 
			
		||||
  }
 | 
			
		||||
	function lookup_consumer($consumer_key)
 | 
			
		||||
	{
 | 
			
		||||
		// implement me
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  function lookup_token($consumer, $token_type, $token)
 | 
			
		||||
  {
 | 
			
		||||
    // implement me
 | 
			
		||||
  }
 | 
			
		||||
	function lookup_token(OAuthConsumer $consumer, $token_type, $token_id)
 | 
			
		||||
	{
 | 
			
		||||
		// implement me
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  function lookup_nonce($consumer, $token, $nonce, $timestamp)
 | 
			
		||||
  {
 | 
			
		||||
    // implement me
 | 
			
		||||
  }
 | 
			
		||||
	function lookup_nonce(OAuthConsumer $consumer, OAuthToken $token, $nonce, int $timestamp)
 | 
			
		||||
	{
 | 
			
		||||
		// implement me
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  function new_request_token($consumer, $callback = null)
 | 
			
		||||
  {
 | 
			
		||||
    // return a new token attached to this consumer
 | 
			
		||||
  }
 | 
			
		||||
	function new_request_token(OAuthConsumer $consumer, $callback = null)
 | 
			
		||||
	{
 | 
			
		||||
		// return a new token attached to this consumer
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  function new_access_token($token, $consumer, $verifier = null)
 | 
			
		||||
  {
 | 
			
		||||
    // return a new access token attached to this consumer
 | 
			
		||||
    // for the user associated with this token if the request token
 | 
			
		||||
    // is authorized
 | 
			
		||||
    // should also invalidate the request token
 | 
			
		||||
  }
 | 
			
		||||
	function new_access_token(OAuthToken $token, OAuthConsumer $consumer, $verifier = null)
 | 
			
		||||
	{
 | 
			
		||||
		// return a new access token attached to this consumer
 | 
			
		||||
		// for the user associated with this token if the request token
 | 
			
		||||
		// is authorized
 | 
			
		||||
		// should also invalidate the request token
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
class OAuthUtil
 | 
			
		||||
{
 | 
			
		||||
  public static function urlencode_rfc3986($input)
 | 
			
		||||
  {
 | 
			
		||||
    if (is_array($input)) {
 | 
			
		||||
      return array_map(['OAuthUtil', 'urlencode_rfc3986'], $input);
 | 
			
		||||
    } else if (is_scalar($input)) {
 | 
			
		||||
      return str_replace(
 | 
			
		||||
        '+',
 | 
			
		||||
        ' ',
 | 
			
		||||
        str_replace('%7E', '~', rawurlencode($input))
 | 
			
		||||
      );
 | 
			
		||||
    } else {
 | 
			
		||||
      return '';
 | 
			
		||||
    }
 | 
			
		||||
  }
 | 
			
		||||
	public static function urlencode_rfc3986($input)
 | 
			
		||||
	{
 | 
			
		||||
		if (is_array($input)) {
 | 
			
		||||
			return array_map(['OAuthUtil', 'urlencode_rfc3986'], $input);
 | 
			
		||||
		} else if (is_scalar($input)) {
 | 
			
		||||
			return str_replace(
 | 
			
		||||
				'+',
 | 
			
		||||
				' ',
 | 
			
		||||
				str_replace('%7E', '~', rawurlencode($input))
 | 
			
		||||
			);
 | 
			
		||||
		} else {
 | 
			
		||||
			return '';
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
  // This decode function isn't taking into consideration the above
 | 
			
		||||
  // modifications to the encoding process. However, this method doesn't
 | 
			
		||||
  // seem to be used anywhere so leaving it as is.
 | 
			
		||||
  public static function urldecode_rfc3986($string)
 | 
			
		||||
  {
 | 
			
		||||
    return urldecode($string);
 | 
			
		||||
  }
 | 
			
		||||
	// This decode function isn't taking into consideration the above
 | 
			
		||||
	// modifications to the encoding process. However, this method doesn't
 | 
			
		||||
	// seem to be used anywhere so leaving it as is.
 | 
			
		||||
	public static function urldecode_rfc3986($string)
 | 
			
		||||
	{
 | 
			
		||||
		return urldecode($string);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  // Utility function for turning the Authorization: header into
 | 
			
		||||
  // parameters, has to do some unescaping
 | 
			
		||||
  // Can filter out any non-oauth parameters if needed (default behaviour)
 | 
			
		||||
  public static function split_header($header, $only_allow_oauth_parameters = true)
 | 
			
		||||
  {
 | 
			
		||||
    $pattern = '/(([-_a-z]*)=("([^"]*)"|([^,]*)),?)/';
 | 
			
		||||
    $offset = 0;
 | 
			
		||||
    $params = [];
 | 
			
		||||
    while (preg_match($pattern, $header, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
 | 
			
		||||
      $match = $matches[0];
 | 
			
		||||
      $header_name = $matches[2][0];
 | 
			
		||||
      $header_content = (isset($matches[5])) ? $matches[5][0] : $matches[4][0];
 | 
			
		||||
      if (preg_match('/^oauth_/', $header_name) || !$only_allow_oauth_parameters) {
 | 
			
		||||
        $params[$header_name] = OAuthUtil::urldecode_rfc3986($header_content);
 | 
			
		||||
      }
 | 
			
		||||
      $offset = $match[1] + strlen($match[0]);
 | 
			
		||||
    }
 | 
			
		||||
	// Utility function for turning the Authorization: header into
 | 
			
		||||
	// parameters, has to do some unescaping
 | 
			
		||||
	// Can filter out any non-oauth parameters if needed (default behaviour)
 | 
			
		||||
	public static function split_header($header, $only_allow_oauth_parameters = true)
 | 
			
		||||
	{
 | 
			
		||||
		$pattern = '/(([-_a-z]*)=("([^"]*)"|([^,]*)),?)/';
 | 
			
		||||
		$offset = 0;
 | 
			
		||||
		$params = [];
 | 
			
		||||
		while (preg_match($pattern, $header, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
 | 
			
		||||
			$match = $matches[0];
 | 
			
		||||
			$header_name = $matches[2][0];
 | 
			
		||||
			$header_content = (isset($matches[5])) ? $matches[5][0] : $matches[4][0];
 | 
			
		||||
			if (preg_match('/^oauth_/', $header_name) || !$only_allow_oauth_parameters) {
 | 
			
		||||
				$params[$header_name] = OAuthUtil::urldecode_rfc3986($header_content);
 | 
			
		||||
			}
 | 
			
		||||
			$offset = $match[1] + strlen($match[0]);
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
    if (isset($params['realm'])) {
 | 
			
		||||
      unset($params['realm']);
 | 
			
		||||
    }
 | 
			
		||||
		if (isset($params['realm'])) {
 | 
			
		||||
			unset($params['realm']);
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
    return $params;
 | 
			
		||||
  }
 | 
			
		||||
		return $params;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  // helper to try to sort out headers for people who aren't running apache
 | 
			
		||||
  public static function get_headers()
 | 
			
		||||
  {
 | 
			
		||||
    if (function_exists('apache_request_headers')) {
 | 
			
		||||
      // we need this to get the actual Authorization: header
 | 
			
		||||
      // because apache tends to tell us it doesn't exist
 | 
			
		||||
      $headers = apache_request_headers();
 | 
			
		||||
	// helper to try to sort out headers for people who aren't running apache
 | 
			
		||||
	public static function get_headers()
 | 
			
		||||
	{
 | 
			
		||||
		if (function_exists('apache_request_headers')) {
 | 
			
		||||
			// we need this to get the actual Authorization: header
 | 
			
		||||
			// because apache tends to tell us it doesn't exist
 | 
			
		||||
			$headers = apache_request_headers();
 | 
			
		||||
 | 
			
		||||
      // sanitize the output of apache_request_headers because
 | 
			
		||||
      // we always want the keys to be Cased-Like-This and arh()
 | 
			
		||||
      // returns the headers in the same case as they are in the
 | 
			
		||||
      // request
 | 
			
		||||
      $out = [];
 | 
			
		||||
      foreach ($headers as $key => $value) {
 | 
			
		||||
        $key = str_replace(
 | 
			
		||||
          " ",
 | 
			
		||||
          "-",
 | 
			
		||||
          ucwords(strtolower(str_replace("-", " ", $key)))
 | 
			
		||||
        );
 | 
			
		||||
        $out[$key] = $value;
 | 
			
		||||
      }
 | 
			
		||||
    } else {
 | 
			
		||||
      // otherwise we don't have apache and are just going to have to hope
 | 
			
		||||
      // that $_SERVER actually contains what we need
 | 
			
		||||
      $out = [];
 | 
			
		||||
      if (isset($_SERVER['CONTENT_TYPE']))
 | 
			
		||||
        $out['Content-Type'] = $_SERVER['CONTENT_TYPE'];
 | 
			
		||||
      if (isset($_ENV['CONTENT_TYPE']))
 | 
			
		||||
        $out['Content-Type'] = $_ENV['CONTENT_TYPE'];
 | 
			
		||||
			// sanitize the output of apache_request_headers because
 | 
			
		||||
			// we always want the keys to be Cased-Like-This and arh()
 | 
			
		||||
			// returns the headers in the same case as they are in the
 | 
			
		||||
			// request
 | 
			
		||||
			$out = [];
 | 
			
		||||
			foreach ($headers as $key => $value) {
 | 
			
		||||
				$key = str_replace(
 | 
			
		||||
					" ",
 | 
			
		||||
					"-",
 | 
			
		||||
					ucwords(strtolower(str_replace("-", " ", $key)))
 | 
			
		||||
				);
 | 
			
		||||
				$out[$key] = $value;
 | 
			
		||||
			}
 | 
			
		||||
		} else {
 | 
			
		||||
			// otherwise we don't have apache and are just going to have to hope
 | 
			
		||||
			// that $_SERVER actually contains what we need
 | 
			
		||||
			$out = [];
 | 
			
		||||
			if (isset($_SERVER['CONTENT_TYPE']))
 | 
			
		||||
				$out['Content-Type'] = $_SERVER['CONTENT_TYPE'];
 | 
			
		||||
			if (isset($_ENV['CONTENT_TYPE']))
 | 
			
		||||
				$out['Content-Type'] = $_ENV['CONTENT_TYPE'];
 | 
			
		||||
 | 
			
		||||
      foreach ($_SERVER as $key => $value) {
 | 
			
		||||
        if (substr($key, 0, 5) == "HTTP_") {
 | 
			
		||||
          // this is chaos, basically it is just there to capitalize the first
 | 
			
		||||
          // letter of every word that is not an initial HTTP and strip HTTP
 | 
			
		||||
          // code from przemek
 | 
			
		||||
          $key = str_replace(
 | 
			
		||||
            " ",
 | 
			
		||||
            "-",
 | 
			
		||||
            ucwords(strtolower(str_replace("_", " ", substr($key, 5))))
 | 
			
		||||
          );
 | 
			
		||||
          $out[$key] = $value;
 | 
			
		||||
        }
 | 
			
		||||
      }
 | 
			
		||||
    }
 | 
			
		||||
    return $out;
 | 
			
		||||
  }
 | 
			
		||||
			foreach ($_SERVER as $key => $value) {
 | 
			
		||||
				if (substr($key, 0, 5) == "HTTP_") {
 | 
			
		||||
					// this is chaos, basically it is just there to capitalize the first
 | 
			
		||||
					// letter of every word that is not an initial HTTP and strip HTTP
 | 
			
		||||
					// code from przemek
 | 
			
		||||
					$key = str_replace(
 | 
			
		||||
						" ",
 | 
			
		||||
						"-",
 | 
			
		||||
						ucwords(strtolower(str_replace("_", " ", substr($key, 5))))
 | 
			
		||||
					);
 | 
			
		||||
					$out[$key] = $value;
 | 
			
		||||
				}
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
		return $out;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  // This function takes a input like a=b&a=c&d=e and returns the parsed
 | 
			
		||||
  // parameters like this
 | 
			
		||||
  // array('a' => array('b','c'), 'd' => 'e')
 | 
			
		||||
  public static function parse_parameters($input)
 | 
			
		||||
  {
 | 
			
		||||
    if (!isset($input) || !$input) return array();
 | 
			
		||||
	// This function takes a input like a=b&a=c&d=e and returns the parsed
 | 
			
		||||
	// parameters like this
 | 
			
		||||
	// array('a' => array('b','c'), 'd' => 'e')
 | 
			
		||||
	public static function parse_parameters($input)
 | 
			
		||||
	{
 | 
			
		||||
		if (!isset($input) || !$input) return array();
 | 
			
		||||
 | 
			
		||||
    $pairs = explode('&', $input);
 | 
			
		||||
		$pairs = explode('&', $input);
 | 
			
		||||
 | 
			
		||||
    $parsed_parameters = [];
 | 
			
		||||
    foreach ($pairs as $pair) {
 | 
			
		||||
      $split = explode('=', $pair, 2);
 | 
			
		||||
      $parameter = OAuthUtil::urldecode_rfc3986($split[0]);
 | 
			
		||||
      $value = isset($split[1]) ? OAuthUtil::urldecode_rfc3986($split[1]) : '';
 | 
			
		||||
		$parsed_parameters = [];
 | 
			
		||||
		foreach ($pairs as $pair) {
 | 
			
		||||
			$split = explode('=', $pair, 2);
 | 
			
		||||
			$parameter = OAuthUtil::urldecode_rfc3986($split[0]);
 | 
			
		||||
			$value = isset($split[1]) ? OAuthUtil::urldecode_rfc3986($split[1]) : '';
 | 
			
		||||
 | 
			
		||||
      if (isset($parsed_parameters[$parameter])) {
 | 
			
		||||
        // We have already recieved parameter(s) with this name, so add to the list
 | 
			
		||||
        // of parameters with this name
 | 
			
		||||
			if (isset($parsed_parameters[$parameter])) {
 | 
			
		||||
				// We have already recieved parameter(s) with this name, so add to the list
 | 
			
		||||
				// of parameters with this name
 | 
			
		||||
 | 
			
		||||
        if (is_scalar($parsed_parameters[$parameter])) {
 | 
			
		||||
          // This is the first duplicate, so transform scalar (string) into an array
 | 
			
		||||
          // so we can add the duplicates
 | 
			
		||||
          $parsed_parameters[$parameter] = [$parsed_parameters[$parameter]];
 | 
			
		||||
        }
 | 
			
		||||
				if (is_scalar($parsed_parameters[$parameter])) {
 | 
			
		||||
					// This is the first duplicate, so transform scalar (string) into an array
 | 
			
		||||
					// so we can add the duplicates
 | 
			
		||||
					$parsed_parameters[$parameter] = [$parsed_parameters[$parameter]];
 | 
			
		||||
				}
 | 
			
		||||
 | 
			
		||||
        $parsed_parameters[$parameter][] = $value;
 | 
			
		||||
      } else {
 | 
			
		||||
        $parsed_parameters[$parameter] = $value;
 | 
			
		||||
      }
 | 
			
		||||
    }
 | 
			
		||||
    return $parsed_parameters;
 | 
			
		||||
  }
 | 
			
		||||
				$parsed_parameters[$parameter][] = $value;
 | 
			
		||||
			} else {
 | 
			
		||||
				$parsed_parameters[$parameter] = $value;
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
		return $parsed_parameters;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
  public static function build_http_query($params)
 | 
			
		||||
  {
 | 
			
		||||
    if (!$params) return '';
 | 
			
		||||
	public static function build_http_query($params)
 | 
			
		||||
	{
 | 
			
		||||
		if (!$params) return '';
 | 
			
		||||
 | 
			
		||||
    // Urlencode both keys and values
 | 
			
		||||
    $keys = OAuthUtil::urlencode_rfc3986(array_keys($params));
 | 
			
		||||
    $values = OAuthUtil::urlencode_rfc3986(array_values($params));
 | 
			
		||||
    $params = array_combine($keys, $values);
 | 
			
		||||
		// Urlencode both keys and values
 | 
			
		||||
		$keys = OAuthUtil::urlencode_rfc3986(array_keys($params));
 | 
			
		||||
		$values = OAuthUtil::urlencode_rfc3986(array_values($params));
 | 
			
		||||
		$params = array_combine($keys, $values);
 | 
			
		||||
 | 
			
		||||
    // Parameters are sorted by name, using lexicographical byte value ordering.
 | 
			
		||||
    // Ref: Spec: 9.1.1 (1)
 | 
			
		||||
    uksort($params, 'strcmp');
 | 
			
		||||
		// Parameters are sorted by name, using lexicographical byte value ordering.
 | 
			
		||||
		// Ref: Spec: 9.1.1 (1)
 | 
			
		||||
		uksort($params, 'strcmp');
 | 
			
		||||
 | 
			
		||||
    $pairs = [];
 | 
			
		||||
    foreach ($params as $parameter => $value) {
 | 
			
		||||
      if (is_array($value)) {
 | 
			
		||||
        // If two or more parameters share the same name, they are sorted by their value
 | 
			
		||||
        // Ref: Spec: 9.1.1 (1)
 | 
			
		||||
        natsort($value);
 | 
			
		||||
        foreach ($value as $duplicate_value) {
 | 
			
		||||
          $pairs[] = $parameter . '=' . $duplicate_value;
 | 
			
		||||
        }
 | 
			
		||||
      } else {
 | 
			
		||||
        $pairs[] = $parameter . '=' . $value;
 | 
			
		||||
      }
 | 
			
		||||
    }
 | 
			
		||||
    // For each parameter, the name is separated from the corresponding value by an '=' character (ASCII code 61)
 | 
			
		||||
    // Each name-value pair is separated by an '&' character (ASCII code 38)
 | 
			
		||||
    return implode('&', $pairs);
 | 
			
		||||
  }
 | 
			
		||||
		$pairs = [];
 | 
			
		||||
		foreach ($params as $parameter => $value) {
 | 
			
		||||
			if (is_array($value)) {
 | 
			
		||||
				// If two or more parameters share the same name, they are sorted by their value
 | 
			
		||||
				// Ref: Spec: 9.1.1 (1)
 | 
			
		||||
				natsort($value);
 | 
			
		||||
				foreach ($value as $duplicate_value) {
 | 
			
		||||
					$pairs[] = $parameter . '=' . $duplicate_value;
 | 
			
		||||
				}
 | 
			
		||||
			} else {
 | 
			
		||||
				$pairs[] = $parameter . '=' . $value;
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
		// For each parameter, the name is separated from the corresponding value by an '=' character (ASCII code 61)
 | 
			
		||||
		// Each name-value pair is separated by an '&' character (ASCII code 38)
 | 
			
		||||
		return implode('&', $pairs);
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -12,6 +12,7 @@ namespace Friendica\Network;
 | 
			
		|||
use Friendica\Core\Config;
 | 
			
		||||
use Friendica\Core\Logger;
 | 
			
		||||
use Friendica\Database\DBA;
 | 
			
		||||
use Friendica\Util\Strings;
 | 
			
		||||
use OAuthConsumer;
 | 
			
		||||
use OAuthDataStore;
 | 
			
		||||
use OAuthToken;
 | 
			
		||||
| 
						 | 
				
			
			@ -26,15 +27,16 @@ class FKOAuthDataStore extends OAuthDataStore
 | 
			
		|||
{
 | 
			
		||||
	/**
 | 
			
		||||
	 * @return string
 | 
			
		||||
	 * @throws \Exception
 | 
			
		||||
	 */
 | 
			
		||||
	private static function genToken()
 | 
			
		||||
	{
 | 
			
		||||
		return Friendica\Util\Strings::getRandomHex(32);
 | 
			
		||||
		return Strings::getRandomHex(32);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	/**
 | 
			
		||||
	 * @param string $consumer_key key
 | 
			
		||||
	 * @return mixed
 | 
			
		||||
	 * @return OAuthConsumer|null
 | 
			
		||||
	 * @throws \Exception
 | 
			
		||||
	 */
 | 
			
		||||
	public function lookup_consumer($consumer_key)
 | 
			
		||||
| 
						 | 
				
			
			@ -52,17 +54,17 @@ class FKOAuthDataStore extends OAuthDataStore
 | 
			
		|||
	}
 | 
			
		||||
 | 
			
		||||
	/**
 | 
			
		||||
	 * @param string $consumer   consumer
 | 
			
		||||
	 * @param string $token_type type
 | 
			
		||||
	 * @param string $token      token
 | 
			
		||||
	 * @return mixed
 | 
			
		||||
	 * @param OAuthConsumer $consumer
 | 
			
		||||
	 * @param string        $token_type
 | 
			
		||||
	 * @param string        $token_id
 | 
			
		||||
	 * @return OAuthToken|null
 | 
			
		||||
	 * @throws \Exception
 | 
			
		||||
	 */
 | 
			
		||||
	public function lookup_token($consumer, $token_type, $token)
 | 
			
		||||
	public function lookup_token(OAuthConsumer $consumer, $token_type, $token_id)
 | 
			
		||||
	{
 | 
			
		||||
		Logger::log(__function__ . ":" . $consumer . ", " . $token_type . ", " . $token);
 | 
			
		||||
		Logger::log(__function__ . ":" . $consumer . ", " . $token_type . ", " . $token_id);
 | 
			
		||||
 | 
			
		||||
		$s = DBA::select('tokens', ['id', 'secret', 'scope', 'expires', 'uid'], ['client_id' => $consumer->key, 'scope' => $token_type, 'id' => $token]);
 | 
			
		||||
		$s = DBA::select('tokens', ['id', 'secret', 'scope', 'expires', 'uid'], ['client_id' => $consumer->key, 'scope' => $token_type, 'id' => $token_id]);
 | 
			
		||||
		$r = DBA::toArray($s);
 | 
			
		||||
 | 
			
		||||
		if (DBA::isResult($r)) {
 | 
			
		||||
| 
						 | 
				
			
			@ -77,14 +79,14 @@ class FKOAuthDataStore extends OAuthDataStore
 | 
			
		|||
	}
 | 
			
		||||
 | 
			
		||||
	/**
 | 
			
		||||
	 * @param string $consumer  consumer
 | 
			
		||||
	 * @param string $token     token
 | 
			
		||||
	 * @param string $nonce     nonce
 | 
			
		||||
	 * @param string $timestamp timestamp
 | 
			
		||||
	 * @param OAuthConsumer $consumer
 | 
			
		||||
	 * @param OAuthToken    $token
 | 
			
		||||
	 * @param string        $nonce
 | 
			
		||||
	 * @param int           $timestamp
 | 
			
		||||
	 * @return mixed
 | 
			
		||||
	 * @throws \Exception
 | 
			
		||||
	 */
 | 
			
		||||
	public function lookup_nonce($consumer, $token, $nonce, $timestamp)
 | 
			
		||||
	public function lookup_nonce(OAuthConsumer $consumer, OAuthToken $token, $nonce, int $timestamp)
 | 
			
		||||
	{
 | 
			
		||||
		$token = DBA::selectFirst('tokens', ['id', 'secret'], ['client_id' => $consumer->key, 'id' => $nonce, 'expires' => $timestamp]);
 | 
			
		||||
		if (DBA::isResult($token)) {
 | 
			
		||||
| 
						 | 
				
			
			@ -95,12 +97,12 @@ class FKOAuthDataStore extends OAuthDataStore
 | 
			
		|||
	}
 | 
			
		||||
 | 
			
		||||
	/**
 | 
			
		||||
	 * @param string $consumer consumer
 | 
			
		||||
	 * @param string $callback optional, default null
 | 
			
		||||
	 * @return mixed
 | 
			
		||||
	 * @param OAuthConsumer $consumer
 | 
			
		||||
	 * @param string        $callback
 | 
			
		||||
	 * @return OAuthToken|null
 | 
			
		||||
	 * @throws \Exception
 | 
			
		||||
	 */
 | 
			
		||||
	public function new_request_token($consumer, $callback = null)
 | 
			
		||||
	public function new_request_token(OAuthConsumer $consumer, $callback = null)
 | 
			
		||||
	{
 | 
			
		||||
		Logger::log(__function__ . ":" . $consumer . ", " . $callback);
 | 
			
		||||
		$key = self::genToken();
 | 
			
		||||
| 
						 | 
				
			
			@ -131,13 +133,13 @@ class FKOAuthDataStore extends OAuthDataStore
 | 
			
		|||
	}
 | 
			
		||||
 | 
			
		||||
	/**
 | 
			
		||||
	 * @param string $token    token
 | 
			
		||||
	 * @param string $consumer consumer
 | 
			
		||||
	 * @param string $verifier optional, defult null
 | 
			
		||||
	 * @return object
 | 
			
		||||
	 * @throws HTTPException\InternalServerErrorException
 | 
			
		||||
	 * @param OAuthToken    $token    token
 | 
			
		||||
	 * @param OAuthConsumer $consumer consumer
 | 
			
		||||
	 * @param string        $verifier optional, defult null
 | 
			
		||||
	 * @return OAuthToken
 | 
			
		||||
	 * @throws \Exception
 | 
			
		||||
	 */
 | 
			
		||||
	public function new_access_token($token, $consumer, $verifier = null)
 | 
			
		||||
	public function new_access_token(OAuthToken $token, OAuthConsumer $consumer, $verifier = null)
 | 
			
		||||
	{
 | 
			
		||||
		Logger::log(__function__ . ":" . $token . ", " . $consumer . ", " . $verifier);
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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